O.K. Centrum für Gegenwartskunst, Linz. A Catalogue / CDR of Night Pulses has been published by the O.K Center for Contemporary Art in fall 2004.
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Night Pulses has also been published as part of Bernhard Gals Book and audio CD Installations, Kehrer

In Night Pulses, Bernhard Gal combines urban light signals with the musical-sensory experience of their transference into sound. Blinking pulses of light from nocturnal horizons of big cities – the signal lights of high-rises, airplanes, helicopters, ships, etc. – create a light score whose rhythmic complexity remains hidden from view. The synchronization of these visual structures with sound events makes existing rhythmical interrelations perceptible on both sensory levels. The work was inspired by Gal’s stay in New York in 1997–98, when he lived for eight months directly at the East River in Greenpoint, Brooklyn and had the Manhattan skyline before him every evening. Midtown Manhattan (filmed from Queens or New Jersey) stands in the center of the realization for the O.K Centrum für Gegenwartskunst. Four video projections and an eight-channel sound projection interweave visual and acoustic elements into a site-specific intermedia installation.